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<div class="title">snmp_threadsync.h</div> </div>
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<a href="../../d4/df7/snmp__threadsync_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (c) 2001-2004 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * Author: Dirk Ziegelmeier <dziegel@gmx.de></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#ifndef LWIP_HDR_APPS_SNMP_THREADSYNC_H</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#define LWIP_HDR_APPS_SNMP_THREADSYNC_H</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "lwip/apps/snmp_opts.h"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#if LWIP_SNMP </span><span class="comment">/* don't build if not configured for use in lwipopts.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "lwip/apps/snmp_core.h"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "lwip/sys.h"</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">typedef</span> void (*snmp_threadsync_called_fn)(<span class="keywordtype">void</span>* arg);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">typedef</span> void (*snmp_threadsync_synchronizer_fn)(snmp_threadsync_called_fn fn, <span class="keywordtype">void</span>* arg);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">struct </span>threadsync_data</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">union </span>{</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  snmp_err_t err;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a> s16;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  } retval;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">union </span>{</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> *root_oid;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> *value;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  } arg1;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">union </span>{</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> root_oid_len;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  } arg2;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> <span class="keyword">struct </span>snmp_threadsync_node *threadsync_node;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">struct </span>snmp_node_instance proxy_instance;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> };</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">struct </span>snmp_threadsync_instance</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a> sem;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="../../d2/d0f/structsys__mutex.html">sys_mutex_t</a> sem_usage_mutex;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  snmp_threadsync_synchronizer_fn sync_fn;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">struct </span>threadsync_data data;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> };</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="keyword">struct </span>snmp_threadsync_node</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">/* inherited "base class" members */</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">struct </span>snmp_leaf_node node;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> <span class="keyword">struct </span>snmp_leaf_node *target;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">struct </span>snmp_threadsync_instance *instance;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> };</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> snmp_err_t snmp_threadsync_get_instance(<span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> *root_oid, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> root_oid_len, <span class="keyword">struct</span> snmp_node_instance* instance);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> snmp_err_t snmp_threadsync_get_next_instance(<span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> *root_oid, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> root_oid_len, <span class="keyword">struct</span> snmp_node_instance* instance);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#define SNMP_CREATE_THREAD_SYNC_NODE(oid, target_leaf_node, threadsync_instance) \</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"> {{{ SNMP_NODE_THREADSYNC, (oid) }, \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor"> snmp_threadsync_get_instance, \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"> snmp_threadsync_get_next_instance }, \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> (target_leaf_node), \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> (threadsync_instance) }</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keywordtype">void</span> snmp_threadsync_init(<span class="keyword">struct</span> snmp_threadsync_instance *instance, snmp_threadsync_synchronizer_fn sync_fn);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SNMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_HDR_APPS_SNMP_THREADSYNC_H */</span><span class="preprocessor"></span></div>
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